Copper ferrites@reduced graphene oxide anode materials for advanced lithium storage applications

Abstract Copper ferrites are emerging transition metal oxides that have potential applications in energy storage devices. However, it still lacks in-depth designing of copper ferrites based anode architectures with enhanced electroactivity for lithium-ion batteries. Here, we report a facile synthesi...

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Autores principales:	Junyong Wang, Qinglin Deng, Mengjiao Li, Kai Jiang, Jinzhong Zhang, Zhigao Hu, Junhao Chu
Formato:	article
Lenguaje:	EN
Publicado:	Nature Portfolio 2017
Materias:	Medicine R Science Q
Acceso en línea:	https://doaj.org/article/3c3e2b804bb04f4db8d73889e28bb49a
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spelling	oai:doaj.org-article:3c3e2b804bb04f4db8d73889e28bb49a2021-12-02T16:06:48ZCopper ferrites@reduced graphene oxide anode materials for advanced lithium storage applications10.1038/s41598-017-09214-02045-2322https://doaj.org/article/3c3e2b804bb04f4db8d73889e28bb49a2017-08-01T00:00:00Zhttps://doi.org/10.1038/s41598-017-09214-0https://doaj.org/toc/2045-2322Abstract Copper ferrites are emerging transition metal oxides that have potential applications in energy storage devices. However, it still lacks in-depth designing of copper ferrites based anode architectures with enhanced electroactivity for lithium-ion batteries. Here, we report a facile synthesis technology of copper ferrites anchored on reduced graphene oxide (CuFeO2@rGO and Cu/CuFe2O4@rGO) as the high-performance electrodes. In the resulting configuration, reduced graphene offers continuous conductive channels for electron/ion transfer and high specific surface area to accommodate the volume expansion of copper ferrites. Consequently, the sheet-on-sheet CuFeO2@rGO electrode exhibits a high reversible capacity (587 mAh g−1 after 100 cycles at 200 mA g−1). In particular, Cu/CuFe2O4@rGO hybrid, which combines the advantages of nano-copper and reduced graphene, manifests a significant enhancement in lithium storage properties. It reveals superior rate capability (723 mAh g−1 at 800 mA g−1; 560 mAh g−1 at 3200 mA g−1) and robust cycling capability (1102 mAh g−1 after 250 cycles at 800 mA g−1). This unique structure design provides a strategy for the development of multivalent metal oxides in lithium storage device applications.Junyong WangQinglin DengMengjiao LiKai JiangJinzhong ZhangZhigao HuJunhao ChuNature PortfolioarticleMedicineRScienceQENScientific Reports, Vol 7, Iss 1, Pp 1-12 (2017)
institution	DOAJ
collection	DOAJ
language	EN
topic	Medicine R Science Q
spellingShingle	Medicine R Science Q Junyong Wang Qinglin Deng Mengjiao Li Kai Jiang Jinzhong Zhang Zhigao Hu Junhao Chu Copper ferrites@reduced graphene oxide anode materials for advanced lithium storage applications
description	Abstract Copper ferrites are emerging transition metal oxides that have potential applications in energy storage devices. However, it still lacks in-depth designing of copper ferrites based anode architectures with enhanced electroactivity for lithium-ion batteries. Here, we report a facile synthesis technology of copper ferrites anchored on reduced graphene oxide (CuFeO2@rGO and Cu/CuFe2O4@rGO) as the high-performance electrodes. In the resulting configuration, reduced graphene offers continuous conductive channels for electron/ion transfer and high specific surface area to accommodate the volume expansion of copper ferrites. Consequently, the sheet-on-sheet CuFeO2@rGO electrode exhibits a high reversible capacity (587 mAh g−1 after 100 cycles at 200 mA g−1). In particular, Cu/CuFe2O4@rGO hybrid, which combines the advantages of nano-copper and reduced graphene, manifests a significant enhancement in lithium storage properties. It reveals superior rate capability (723 mAh g−1 at 800 mA g−1; 560 mAh g−1 at 3200 mA g−1) and robust cycling capability (1102 mAh g−1 after 250 cycles at 800 mA g−1). This unique structure design provides a strategy for the development of multivalent metal oxides in lithium storage device applications.
format	article
author	Junyong Wang Qinglin Deng Mengjiao Li Kai Jiang Jinzhong Zhang Zhigao Hu Junhao Chu
author_facet	Junyong Wang Qinglin Deng Mengjiao Li Kai Jiang Jinzhong Zhang Zhigao Hu Junhao Chu
author_sort	Junyong Wang
title	Copper ferrites@reduced graphene oxide anode materials for advanced lithium storage applications
title_short	Copper ferrites@reduced graphene oxide anode materials for advanced lithium storage applications
title_full	Copper ferrites@reduced graphene oxide anode materials for advanced lithium storage applications
title_fullStr	Copper ferrites@reduced graphene oxide anode materials for advanced lithium storage applications
title_full_unstemmed	Copper ferrites@reduced graphene oxide anode materials for advanced lithium storage applications
title_sort	copper ferrites@reduced graphene oxide anode materials for advanced lithium storage applications
publisher	Nature Portfolio
publishDate	2017
url	https://doaj.org/article/3c3e2b804bb04f4db8d73889e28bb49a
work_keys_str_mv	AT junyongwang copperferritesreducedgrapheneoxideanodematerialsforadvancedlithiumstorageapplications AT qinglindeng copperferritesreducedgrapheneoxideanodematerialsforadvancedlithiumstorageapplications AT mengjiaoli copperferritesreducedgrapheneoxideanodematerialsforadvancedlithiumstorageapplications AT kaijiang copperferritesreducedgrapheneoxideanodematerialsforadvancedlithiumstorageapplications AT jinzhongzhang copperferritesreducedgrapheneoxideanodematerialsforadvancedlithiumstorageapplications AT zhigaohu copperferritesreducedgrapheneoxideanodematerialsforadvancedlithiumstorageapplications AT junhaochu copperferritesreducedgrapheneoxideanodematerialsforadvancedlithiumstorageapplications
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Copper ferrites@reduced graphene oxide anode materials for advanced lithium storage applications

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